%{
    This file is part of StemCellQC, a video bioinformatics software
    toolkit for analysis of phase contrast microscopy videos.
    Copyright 2013-2015 Vincent On. [vincenton001-at-gmail.com]

    StemCellQC is free software: you can redistribute it and/or 
    modify it under the terms of the GNU General Public License as 
    published by the Free Software Foundation, either version 3 of the 
    License, or (at your option) any later version.

    StemCellQC is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with StemCellQC.  If not, see <http://www.gnu.org/licenses/>.
%}

function [t,b,l,r] = bound_box(x,y, side)

y = round(y);
x = round(x);

dx = round(side/2);
t = y-dx;

if t < 1;
    t = 1;
end

b = y+dx;

l = x-dx;

if t < 1;
    t = 1;
end

r = x+dx;
